@import url("https://at.alicdn.com/t/font_2730880_ylrio3ahhx.css");
header,body,p,span,a,img,input,button,li,ul,table,tr,td,th,footer{
    margin: 0;
    padding: 0;
}
body{
    max-width: 1920px;
    min-width: 1200px;
    margin: 0 auto;
}
.wrap{
    width: 1200px;
    margin: 0 auto;
}

a{
    text-decoration: none;
}

li{
    list-style: none;
}

.clear::after{
    content: "";
    clear: both;
    display: block;
}